ZCZC SA79 NCC-HAMBURG 281010 UTC JUL 26 NAV. WARN. NO. 426 GERMAN BIGHT. EAST OF OFFSHORE WINDPARK 'MERKUR'. UXO SURVEY AND CLEARANCE BY MV 'SEATERRA ACHIEVER' CS 'E6BU3' IN POSITION 54-014N 006-408E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. NNNN